diff --git a/manifest b/manifest
index 29e46988c1..6828a73854 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Fix\sthe\slock_win32_file\stest\scommand\sso\sthat\sit\sworks\swith\swinrt\sbuilds.
-D 2024-12-03T15:19:02.282
+C Further\stest\sfile\stweaks\sto\srun\swith\sSQLITE_OS_WINRT\sbuilds.
+D 2024-12-03T19:09:54.391
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md e108e1e69ae8e8a59e93c455654b8ac9356a11720d3345df2a4743e9590fb20d
@@ -798,7 +798,7 @@ F src/test_backup.c bd901e3c116c7f3b3bbbd4aae4ce87d99b400c9cbb0a9e7b4610af451d97
 F src/test_bestindex.c 3401bee51665cbf7f9ed2552b5795452a8b86365e4c9ece745b54155a55670c6
 F src/test_blob.c bcdf6a6c22d0bcc13c41479d63692ef413add2a4d30e1e26b9f74ab85b9fb4d5
 F src/test_btree.c 28283787d32b8fa953eb77412ad0de2c9895260e4e5bd5a94b3c7411664f90d5
-F src/test_config.c bff5e1625c007f14a9ea4d346b6a741149b5e1f885c1c7ae69bb28a8ddade151
+F src/test_config.c e6823104dae529aff7ac62bc86b62d26103cb857162b08b0ba89d9140c63dedd
 F src/test_delete.c e2fe07646dff6300b48d49b2fee2fe192ed389e834dd635e3b3bac0ce0bf9f8f
 F src/test_demovfs.c 3efa2adf4f21e10d95521721687d5ca047aea91fa62dd8cc22ac9e5a9c942383
 F src/test_devsym.c 649434ed34d0b03fbd5a6b42df80f0f9a7e53f94dd1710aad5dd8831e91c4e86
@@ -1719,7 +1719,7 @@ F test/temptable.test d2c9b87a54147161bcd1822e30c1d1cd891e5b30
 F test/temptable2.test 76821347810ecc88203e6ef0dd6897b6036ac788e9dd3e6b04fd4d1631311a16
 F test/temptable3.test d11a0974e52b347e45ee54ef1923c91ed91e4637
 F test/temptrigger.test 38f0ca479b1822d3117069e014daabcaacefffcc
-F test/tester.tcl 7b44f1a9b9a2de8112695b908afc21dd9a68cd2d44e84b73f1b27b53492c0d59
+F test/tester.tcl 2f900e8c912fbbaf381e69a92258fa6023ad0b4c8907e426bebbb4585da23c61
 F test/testrunner.tcl 90ed8b6c2b26dc1f6af08aeb04670a5df86172f3d9828d8af000f972afa50061 x
 F test/testrunner_data.tcl ba4aeea28aa03cfa6fe7e57782ddecb7a7b91c3a0b3251583cb4f0ee002de6a6
 F test/thread001.test a0985c117eab62c0c65526e9fa5d1360dd1cac5b03bde223902763274ce21899
@@ -2054,7 +2054,7 @@ F test/wherelimit3.test 22d73e046870cf8bbe15573eda6b432b07ebe64a88711f9f849c6b36
 F test/widetab1.test c296a98e123762de79917350e45fa33fdf88577a2571eb3a64c8bf7e44ef74d1
 F test/win32heap.test 10fd891266bd00af68671e702317726375e5407561d859be1aa04696f2aeee74
 F test/win32lock.test e0924eb8daac02bf80e9da88930747bd44dd9b230b7759fed927b1655b467c9c
-F test/win32longpath.test 304006024ca47104bf5a7415ef31ca83ecfc29351af202baf8588b880cffc116
+F test/win32longpath.test c5d149ab60a3052fa84b3df12ff655d703bfdfd48eed9854b14945d4d0bf3ddd
 F test/win32nolock.test ac4f08811a562e45a5755e661f45ca85892bdbbc
 F test/window1.test 79dc3b9a2226f622d7e104a1fc750d1c4c3c08d6147b59085bdbe05352947ffa
 F test/window2.tcl 492c125fa550cda1dd3555768a2303b3effbeceee215293adf8871efc25f1476
@@ -2199,8 +2199,8 @@ F tool/version-info.c 3b36468a90faf1bbd59c65fd0eb66522d9f941eedd364fabccd7227350
 F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee87c1b31a7
 F tool/warnings.sh 49a486c5069de041aedcbde4de178293e0463ae9918ecad7539eedf0ec77a139
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
-P baf43e8c7da6aacce874ec30d0c9e1dcb44c5ed9de2214099d42fbbd335d2e93
-R bc12e47014f586eacbbc427b6b22ac8d
+P 5994656074b2db2c172f4c690c3b40cadd12e91d737fb91a03268148f8b49421
+R d48df35453e034ecc17b4554259c436f
 U dan
-Z 0816a4fec5e8db048747c6ae85732289
+Z f2d0671bca92e4f8a85f640b4aa16212
 # Remove this line to create a well-formed Fossil manifest.
diff --git a/manifest.uuid b/manifest.uuid
index 2a3177d7be..d8e5d8ebae 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-5994656074b2db2c172f4c690c3b40cadd12e91d737fb91a03268148f8b49421
+54853421ba012c192ee2a41873e6ba10e187a6ec2e23182ccbec56864604166f
diff --git a/src/test_config.c b/src/test_config.c
index c8ce2ab88a..20d0faa50f 100644
--- a/src/test_config.c
+++ b/src/test_config.c
@@ -88,6 +88,12 @@ static void set_options(Tcl_Interp *interp){
   Tcl_SetVar2(interp, "sqlite_options", "win32malloc", "0", TCL_GLOBAL_ONLY);
 #endif
 
+#ifdef SQLITE_OS_WINRT
+  Tcl_SetVar2(interp, "sqlite_options", "winrt", "1", TCL_GLOBAL_ONLY);
+#else
+  Tcl_SetVar2(interp, "sqlite_options", "winrt", "0", TCL_GLOBAL_ONLY);
+#endif
+
 #ifdef SQLITE_DEBUG
   Tcl_SetVar2(interp, "sqlite_options", "debug", "1", TCL_GLOBAL_ONLY);
 #else
diff --git a/test/tester.tcl b/test/tester.tcl
index b5f49ebde9..0792557619 100644
--- a/test/tester.tcl
+++ b/test/tester.tcl
@@ -1776,6 +1776,11 @@ proc crashsql {args} {
   # cfSync(), which can be different then what TCL uses by
   # default, so here we force it to the "nativename" format.
   set cfile [string map {\\ \\\\} [file nativename [file join [get_pwd] $crashfile]]]
+  ifcapable winrt {
+    # Except on winrt. Winrt has no way to transform a relative path into
+    # an absolute one, so it just uses the relative paths.
+    set cfile $crashfile
+  }
 
   set f [open crash.tcl w]
   puts $f "sqlite3_initialize ; sqlite3_shutdown"
diff --git a/test/win32longpath.test b/test/win32longpath.test
index 9ffea775e7..b948de79fa 100644
--- a/test/win32longpath.test
+++ b/test/win32longpath.test
@@ -115,7 +115,12 @@ do_test 1.6 {
 
 db3 close
 
-foreach tn {1a 1b 1c 1d 1e 1f} {
+# winrt platforms do not handle paths with unix-style '/' directory separators.
+#
+set lUri [list 1a 1b 1c 1d 1e 1f]
+ifcapable winrt { set lUri [list 1a 1c 1e] }
+
+foreach tn $lUri {
   sqlite3 db3 $uri($tn) -vfs win32-longpath -uri 1 -translatefilename 0
 
   do_test 1.7.$tn {